Amid a series of incidents that have damaged critical cables in the Baltic Sea, intelligence services in the U.S. and Europe are increasingly convinced that they were caused by accidents, according to a report by the Washington Post on Jan.

NATO and its eight Baltic Sea allies say they are stepping up efforts to deter 'any attempts at sabotage' in the wake of a series of incidents that have damaged key undersea power and telecommunications cables.

Crew on board an oil tanker accused of sabotaging undersea power and communications cables in the Baltic Sea were poised to cut other cables and pipelines when Finnish authorities boarded the vessel last month,

Chinese researchers apply for patents for ‘submarine cable cutting devices,’ while Russian experts boast on television that cable-cutting will

Estonian naval ships are taking part in stepped-up patrols in the Baltic Sea by NATO countries after undersea power and communications cables have been damaged in recent months.

NATO warships began patrolling the Baltic Sea this week. Some of the ships are anchored in Tallinn's Mine Harbor, ERR reports. Warships have begun patrolling as part of the Baltic Guard program. Three NATO ships anchored in Tallinn.